White elm – description, flowering period and general distribution in Pennsylvania. Green foliage against the background of other vegetation

White elm – description, flowering period and general distribution in Pennsylvania. Plant standing alone in the park, summer

White elm – description, flowering period and general distribution in Pennsylvania. The dense crown is brighter against the background of the surrounding trees.

White elm – description, flowering period and general distribution in Pennsylvania. Plant has an interesting achenes

White elm – description, flowering period and general distribution in Pennsylvania. The branches are completely covered with achenes

White elm – description, flowering period and general distribution in Pennsylvania. Spring branch with blooming flowers

White elm – description, flowering period and general distribution in Pennsylvania. Beginning of autumn, the plant begins to dump foliage, against the background of an old house.

Common name:

White elm

Scientific name:

Ulmus americana.

Other common name(s):

American elm, White elm, Water elm, Soft elm, Florida elm.

Life form:

Tree.

Flowering time:

12 days.

Flowering period

in Pennsylvania for this plant is: April.

NECTAR PRODUCTION:
No data

SOURCE FOR HONEY BEES:
Minor

General distribution:

The typical variety of American elm is found throughout eastern North America. Its range extends from southern Newfoundland westward through southern Quebec and Ontario, northwest through Manitoba into eastern Saskatchewan, then south on the upper floodplains and protected slopes of the Dakotas. It is found in the canyons and floodplains of northern and eastern Kansas and in eastern Oklahoma and central Texas. American elm is common along the Gulf Coast and east into central Florida.

American elm can be planted for erosion protection and as a windbreak. Its shallow and wide-spreading roots make it fairly windfirm. American elm is common on wet flats and bottomlands but is not restricted to these sites.

Map of distribution and habitat in USA

This plant is present in at least 47 states/provinces in this country.

See The Map

Botanical description:

American elm is a deciduous, fast-growing, long-lived tree that may reach 175 to 200 years old with some as old as 300 years. In dense forest stands, American elm may reach 100 to 200 feet (30-36 m) in height and 48 to 60 inches (122-152 cm) in d.b.h. Heights of 80 feet (24 m) are common on medium sites but on very wet or very dry soils, the species is often 40 to 60 feet (12-18 m) tall at maturity. In the forest American elm often develops a clear bole 50 to 60 feet (15-18 m) in length. Open-grown trees fork 10 to 20 feet (3-6 m) from the ground with several erect limbs forming a wide, arching crown.
The alternate, double-toothed leaves are 2 to 5 inches (5-10 cm) long and 1 to 3 inches (2.5-7.5 cm) wide. The dark gray bark is deeply furrowed. The perfect flowers are borne in dense clusters of three or four fascicles. The fruit is a samara consisting of a compressed nutlet surrounded by a membranous wing.

Seasonal development:

The time of flowering, seed ripening, and seed fall varies by about 100 days between the Gulf Coast and Canada. The flower buds swell early in February in the South and as late as May in Canada. The trees are in flower 2 to 3 weeks before the leaves unfold. The fruit ripens as the leaves unfold or soon afterward. The seed is dispersed as it ripens and seed fall is usually complete by the middle of March in the South and by the middle of June in the North.

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List of honey plants that may be blooming now in Pennsylvania

See the entire list